CN216590196U - Electromagnetic valve for LEL online monitoring with pressure regulating function - Google Patents
Electromagnetic valve for LEL online monitoring with pressure regulating function Download PDFInfo
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- CN216590196U CN216590196U CN202122740527.6U CN202122740527U CN216590196U CN 216590196 U CN216590196 U CN 216590196U CN 202122740527 U CN202122740527 U CN 202122740527U CN 216590196 U CN216590196 U CN 216590196U
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Abstract
The utility model relates to an electromagnetic valve for LEL online monitoring with a pressure regulating function, which comprises an electromagnetic valve body and a pressure regulating valve body, wherein a first air inlet end and a first air outlet end are respectively arranged at two ends of the pressure regulating valve body, a second air inlet end and a second air outlet end are respectively arranged at two ends of the electromagnetic valve body, a third air outlet end is arranged at the bottom of the electromagnetic valve body, a filtering device and a connecting device are arranged between the first air outlet end and the second air inlet end, the filtering device comprises a first connecting pipe, a second connecting pipe and a filtering net, and two sides of the filtering net are respectively attached to the first connecting pipe and the second connecting pipe; the connecting device comprises a nut, an external thread is arranged on the first air outlet end, an internal thread matched with the external thread is arranged on the nut, and the nut is sleeved outside the first connecting pipe. According to the electromagnetic valve assembly, the filtering device is arranged, so that gas entering the electromagnetic valve body can be filtered, and particles such as dust can be prevented from entering the electromagnetic valve assembly to cause blockage.
Description
Technical Field
The utility model relates to the technical field of electromagnetic valves, in particular to an electromagnetic valve for LEL online monitoring with a pressure regulating function.
Background
LEL refers to the lower explosive limit, which is a technical term for combustible gases. The lowest concentration of combustible gas in air which is exploded when meeting open fire is called the lower explosion limit, called LEL for short.
The electromagnetic valve is an industrial device controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, and is not limited to hydraulic pressure and pneumatic pressure.
Patent number CN201720972841.8 discloses a pressure regulating solenoid valve, in this patent, integrative intercommunication between pressure regulating valve subassembly and the solenoid valve subassembly, it has the filter screen to embed at the junction inner wall, can filter gas, prevent during particles such as dust in the gas from getting into the solenoid valve subassembly, make the gap between movable iron core and the valve body blockked up, lead to moving the iron core and can't remove, but in this scheme, the filter screen can pile up a large amount of dust after long-time the use, if can't in time clear up, cause the jam easily, make gas unable pass through, the utility model provides a new solution to above problem.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the problems in the prior art, the utility model provides an electromagnetic valve for LEL online monitoring with a pressure regulating function, which aims to solve the technical problems in the background art.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: a solenoid valve with a pressure regulating function for LEL online monitoring comprises a solenoid valve body and a pressure regulating valve body, wherein a first air inlet end and a first air outlet end are respectively arranged at two ends of the pressure regulating valve body, a second air inlet end and a second air outlet end are respectively arranged at two ends of the solenoid valve body, a third air outlet end is arranged at the bottom of the solenoid valve body, a filtering device and a connecting device are arranged between the first air outlet end and the second air inlet end, the filtering device comprises a first connecting pipe, a second connecting pipe and a filtering net, and two sides of the filtering net are respectively attached to the first connecting pipe and the second connecting pipe; the connecting device comprises a nut, an external thread is arranged on the first air outlet end, an internal thread matched with the external thread is arranged on the nut, and the nut is sleeved outside the first connecting pipe.
Preferably, the nut is slidably sleeved outside the first connecting pipe, a first limiting block is arranged on the first connecting pipe, and a second limiting block matched with the first limiting block is arranged on the nut. This design can make first connecting pipe can't drop from the nut through first stopper and the cooperation of second stopper, can't drop from the first end of giving vent to anger promptly.
In further preferred, be equipped with first chamfer on the first connecting pipe, the one end of the first end inner wall of giving vent to anger is equipped with the second chamfer, and the laminating of second chamfer and first chamfer. This design, can improve the leakproofness of junction through first chamfer and the cooperation of second chamfer.
Preferably, a groove is formed in the second connecting pipe, the filter screen is arranged in the groove, a boss is arranged in the first connecting pipe, and the boss is arranged in the groove. This design can improve the leakproofness between first connecting pipe and the second connecting pipe through boss and recess cooperation.
Preferably, the filter screen and the groove are both provided with connecting holes, and the boss is provided with a connecting pin matched with the connecting holes. This design, can prevent that the friction between the one that filters and recess is less through connecting pin and connecting hole cooperation, lead to being blown by the air current.
In further preferred, the first connecting pipe and the second connecting pipe are attached to each other at one end and are provided with flange plates, the flange plates are provided with through holes, and the through holes are detachably connected through bolts. According to the design, the two flange plates can be fixedly connected by penetrating bolts through the through holes in the two flange plates.
In a further preferred embodiment, the connecting means are provided in two sets and are respectively provided between the first connecting pipe and the first air outlet end and between the second connecting pipe and the second air inlet end. This design can be convenient for second connecting pipe and second inlet end to connect.
In a further preferred aspect, an indication arrow is provided on the solenoid valve body. The design can prevent the reverse installation of the electromagnetic valve body.
(III) advantageous effects
Compared with the prior art, the utility model provides the electromagnetic valve for the LEL online monitoring with the pressure regulating function, which has the following beneficial effects:
1. according to the utility model, the filtering device is arranged, so that gas entering the electromagnetic valve body can be filtered, and particles such as dust and the like are prevented from entering the electromagnetic valve assembly to cause blockage;
2. according to the utility model, the connection device is arranged, so that the first connecting pipe and the second connecting pipe can be conveniently connected with the pressure regulating valve body and the electromagnetic valve body, the first connecting pipe and the second connecting pipe are prevented from falling off by arranging the first limiting block and the second limiting block for fitting, and the connection tightness can be improved by arranging the first chamfer and the second chamfer for fitting;
3. according to the utility model, the filter screen is arranged in the groove, and the boss is matched with the groove, so that the sealing property of the joint of the first connecting pipe and the second connecting pipe can be improved.
Drawings
FIG. 1 is a schematic diagram of an overall structure of a solenoid valve for LEL online monitoring with a pressure regulating function according to the present invention;
FIG. 2 is an exploded view of the filter assembly of the present invention;
FIG. 3 is a schematic view of another angle from FIG. 2 according to the present invention;
fig. 4 is a schematic diagram of a state in which the first connection pipe and the first gas outlet end are not connected in the present invention.
In the figure: 1. an electromagnetic valve body; 2. a pressure regulating valve body; 3. a first air inlet end; 4. a first air outlet end; 5. a second air inlet end; 6. a second air outlet end; 7. a third air outlet end; 8. a first connecting pipe; 9. a second connecting pipe; 10. a filter screen; 11. a nut; 12. an external thread; 13. an internal thread; 14. a first stopper; 15. a second limiting block; 16. a first chamfer; 17. a second chamfer; 18. a groove; 19. a boss; 20. connecting holes; 21. a connecting pin; 22. a flange plate; 23. a through hole; 24. indicating an arrow.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1-4, an electromagnetic valve for online monitoring of an LEL with a pressure regulating function includes an electromagnetic valve body 1 and a pressure regulating valve body 2, a first air inlet end 3 and a first air outlet end 4 are respectively arranged at two ends of the pressure regulating valve body 2, a second air inlet end 5 and a second air outlet end 6 are respectively arranged at two ends of the electromagnetic valve body 1, a third air outlet end 7 is arranged at the bottom, a filtering device and a connecting device are arranged between the first air outlet end 4 and the second air inlet end 5, the filtering device includes a first connecting pipe 8, a second connecting pipe 9 and a filtering net 10, and two sides of the filtering net 10 are respectively attached to the first connecting pipe 8 and the second connecting pipe 9; the connecting device comprises a nut 11, an external thread 12 is arranged on the second air inlet end 5, an internal thread 13 matched with the external thread 12 is arranged on the nut 11, and the nut 11 is sleeved outside the first connecting pipe 8. The connecting devices are arranged in two groups and are respectively arranged between the first connecting pipe 8 and the first air outlet end 4 and between the second connecting pipe 9 and the second air inlet end 5.
In this embodiment, the nut 11 is slidably sleeved outside the first connecting pipe 8, the first limiting block 14 is disposed on the first connecting pipe 8, and the nut 11 is disposed with a second limiting block 15. A first chamfer 16 is arranged on the first connecting pipe 8, a second chamfer 17 is arranged at one end of the inner wall of the first air outlet end 4, and the second chamfer 17 is attached to the first chamfer 16. When the connecting structure is used, the first chamfer 16 on the first connecting pipe 8 is inserted into the second chamfer 17 of the first air outlet end 4, the first chamfer 16 is attached to the second chamfer 17, the nut 11 is in threaded fit with the external thread 12 on the first air outlet end 4 through the internal thread 13 until the first limiting block 14 is tightly attached to the second limiting block 15, the first chamfer 16 is tightly attached to the second chamfer 17, the first connecting pipe 8 is tightly connected with the first air outlet end 4, and the sealing performance of the connecting part is improved.
In this embodiment, the second connection pipe 9 has a groove 18 therein, the filter screen 10 is disposed in the groove 18, and the first connection pipe 8 has a boss 19 therein, the boss 19 being disposed in the groove 18. The filter screen 10 and the groove 18 are both provided with a connecting hole 20, and the boss 19 is provided with a connecting pin 21 matched with the connecting hole 20. When the filter screen is used, the filter screen 10 is placed on the boss 19, the connecting hole 20 is sleeved outside the connecting pin 21, the boss 19 is inserted into the groove 18, and in the inserting process, the connecting pin 21 is matched with the connecting hole 20 in the groove 18 until two sides of the filter screen 10 are tightly attached to the groove 18 and the boss 19 respectively.
In this embodiment, the flanges 22 are respectively disposed at the ends where the first connecting pipe 8 and the second connecting pipe 9 are attached to each other, through holes 23 are respectively disposed on the flanges 22, and the through holes 23 are detachably connected through bolts. After the filter screen 10 is tightly attached to the groove 18 and the boss 19, bolts are inserted through the through holes 23 of the two flanges 22 to connect and fix the two flanges, so that the first connecting pipe 8 and the second connecting pipe 9 are connected.
In the present embodiment, the solenoid valve body 1 is provided with an indication arrow 24. In use, the second air inlet end 5 and the second air outlet end 6 of the solenoid valve body 1 are distinguished by an indication arrow 24.
Example 2:
in summary, when the filter screen is used, the filter screen 10 is placed on the boss 19, the connecting hole 20 is sleeved outside the connecting pin 21, the boss 19 is inserted into the groove 18, in the inserting process, the connecting pin 21 is matched with the connecting hole 20 in the groove 18 until the two sides of the filter screen 10 are tightly attached to the groove 18 and the boss 19, and then the bolt penetrates through the through holes 23 in the two flange plates 22 to be fixedly connected, so that the first connecting pipe 8 is connected with the second connecting pipe 9.
Example 3:
in summary, when the gas inlet pipe is used, the first chamfer 16 on the first connecting pipe 8 is inserted into the second chamfer 17 of the first gas outlet end 4, so that the first chamfer 16 is attached to the second chamfer 17, the nut 11 is in threaded fit with the external thread 12 on the first gas outlet end 4 through the internal thread 13 until the first limit block 14 is closely attached to the second limit block 15, the first chamfer 16 is closely attached to the second chamfer 17, so that the first connecting pipe 8 is closely connected to the first gas outlet end 4, and the second connecting pipe 9 is fixedly connected to the second gas inlet end 5 in the same way; when LEL monitoring is carried out, the electromagnetic end of the electromagnetic valve body 1 is externally connected with a power supply and carries out signal interaction with an external controller, when the LEL value of the gas monitored by the outside is lower than a set value, the electromagnetic valve body 1 is not electrified, the gas is discharged into the next process through the second gas outlet end 6, when the LEL value of the gas monitored by the outside is higher than the set value, the electromagnetic valve body 1 is electrified, and the gas is discharged into the next process through the third gas outlet end 7.
While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and variations may be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a solenoid valve for LEL on-line monitoring with pressure regulating function, includes solenoid valve body (1) and pressure regulating valve body (2), its characterized in that: the electromagnetic valve comprises a pressure regulating valve body (2), a first air inlet end (3) and a first air outlet end (4) are arranged at two ends of the pressure regulating valve body (2) respectively, a second air inlet end (5) and a second air outlet end (6) are arranged at two ends of the electromagnetic valve body (1) respectively, a third air outlet end (7) is arranged at the bottom of the electromagnetic valve body, a filtering device and a connecting device are arranged between the first air outlet end (4) and the second air inlet end (5), the filtering device comprises a first connecting pipe (8), a second connecting pipe (9) and a filtering net (10), and two sides of the filtering net (10) are attached to the first connecting pipe (8) and the second connecting pipe (9) respectively; the connecting device comprises a nut (11), an external thread (12) is arranged on the second air inlet end (5), an internal thread (13) matched with the external thread (12) is arranged on the nut (11), and the nut (11) is sleeved outside the first connecting pipe (8).
2. The electromagnetic valve for LEL online monitoring with the pressure regulating function according to claim 1, characterized in that: the nut (11) is slidably sleeved outside the first connecting pipe (8), a first limiting block (14) is arranged on the first connecting pipe (8), and a second limiting block (15) matched with the first limiting block is arranged on the nut (11).
3. The electromagnetic valve for LEL online monitoring with the pressure regulating function according to claim 1, characterized in that: be equipped with first chamfer (16) on first connecting pipe (8), the one end of first end (4) inner wall of giving vent to anger is equipped with second chamfer (17), and second chamfer (17) and first chamfer (16) laminating.
4. The electromagnetic valve for LEL online monitoring with the pressure regulating function according to claim 1, characterized in that: be equipped with recess (18) in second connecting pipe (9), filter screen (10) set up in recess (18), be equipped with boss (19) in first connecting pipe (8), boss (19) set up in recess (18).
5. The electromagnetic valve for LEL online monitoring with the pressure regulating function according to claim 4, characterized in that: and connecting holes (20) are formed in the filter screen (10) and the groove (18), and connecting pins (21) matched with the connecting holes (20) are arranged on the bosses (19).
6. The electromagnetic valve for LEL online monitoring with the pressure regulating function according to claim 1, characterized in that: one end of the first connecting pipe (8) and one end of the second connecting pipe (9) are attached to each other and are provided with flange plates (22), through holes (23) are formed in the flange plates (22), and the through holes (23) are detachably connected through bolts.
7. The electromagnetic valve for LEL online monitoring with the pressure regulating function according to claim 1, characterized in that: the connecting devices are provided with two groups and are respectively arranged between the first connecting pipe (8) and the first air outlet end (4) and between the second connecting pipe (9) and the second air inlet end (5).
8. The electromagnetic valve for LEL online monitoring with the pressure regulating function according to claim 1, characterized in that: an indication arrow (24) is arranged on the electromagnetic valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122740527.6U CN216590196U (en) | 2021-11-10 | 2021-11-10 | Electromagnetic valve for LEL online monitoring with pressure regulating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122740527.6U CN216590196U (en) | 2021-11-10 | 2021-11-10 | Electromagnetic valve for LEL online monitoring with pressure regulating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216590196U true CN216590196U (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122740527.6U Active CN216590196U (en) | 2021-11-10 | 2021-11-10 | Electromagnetic valve for LEL online monitoring with pressure regulating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216590196U (en) |
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2021
- 2021-11-10 CN CN202122740527.6U patent/CN216590196U/en active Active
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